{"ok":true,"preview":true,"tool":"tool-response-shield","price":"$0.01","paid_endpoint":"https://bounty-engineer-x402-prod.onrender.com/v1/tool-response-shield","input_example":{"content":"untrusted tool response"},"output_shape_example":{"ok":true,"mode":"tool_response_injection_shield","risk":"preview_only"},"note":"Free structural preview only. Live evidence is produced by the paid endpoint after x402 settlement.","health":"ready"}